5/16" ID Premium Fuel injection hose designed for the high temperatures and stress created by today's fuel injection engines. Has a working temperature range of -29 to +275 degrees F(Fahrenheit). Can handle E-85, diesel, bio-diesel and all standard gasoline. Sold by the foot. Length discounts are listed below. Example: If you order a quantity of "4" you will receive one 4ft length of hose.